Coffee cup holder



FIG. 1 is a front elevated view of a coffee cup holder showing my new design;

FIG. 2 is a rear elevated view of the coffee cup holder;

FIG. 3 is a right side elevated view of the coffee cup holder; and,

FIG. 4 is a top plan view of the coffee cup holder. 

The ornamental design for a coffee cup holder, as shown and described. 